tech
December 17, 2025
Announcing Grok
Grok is an AI modeled after the Hitchhiker’s Guide to the Galaxy. It is intended to answer almost anything and, far harder, even suggest what questions to ask!
TL;DR
- Grok is an AI assistant from xAI, inspired by "The Hitchhiker's Guide to the Galaxy," designed to answer questions and prompt new inquiries.
- The AI is powered by Grok-1, a frontier LLM developed over four months, showing improvements in reasoning and coding capabilities.
- Grok-1's performance on benchmarks like GSM8k, MMLU, and HumanEval surpasses models in its compute class but is outmatched by those with more training data and resources, such as GPT-4.
- xAI is building a custom training and inference stack using Kubernetes, Rust, and JAX, focusing on reliability and maximizing useful compute per watt.
- Future research directions for xAI include scalable oversight, integration with formal verification, long-context understanding, adversarial robustness, and multimodal capabilities (vision and audio).
- A limited number of users in the United States can join the Grok waitlist to provide feedback before a wider release.
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